EP3490232B1 - Dispositif de terminal de communication, programme, et procédé de traitement d'informations - Google Patents

Dispositif de terminal de communication, programme, et procédé de traitement d'informations Download PDF

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Publication number
EP3490232B1
EP3490232B1 EP17865957.9A EP17865957A EP3490232B1 EP 3490232 B1 EP3490232 B1 EP 3490232B1 EP 17865957 A EP17865957 A EP 17865957A EP 3490232 B1 EP3490232 B1 EP 3490232B1
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EP
European Patent Office
Prior art keywords
terminal device
call
communication terminal
user
head
Prior art date
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Application number
EP17865957.9A
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German (de)
English (en)
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EP3490232A1 (fr
EP3490232A4 (fr
Inventor
Satoru KAWAMURA
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NTT Docomo Inc
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NTT Docomo Inc
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Publication of EP3490232A4 publication Critical patent/EP3490232A4/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
    • H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/08—Speech classification or search
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/08—Speech classification or search
    • G10L2015/088—Word spotting
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G10L2015/223—Execution procedure of a spoken command
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/74—Details of telephonic subscriber devices with voice recognition means

Definitions

  • the present invention relates to terminating a call in a communication terminal device.
  • patent document 1 a technique for terminating a call without the necessity of an operation by a user, whereby a mobile terminal terminates a call on recognizing a keyword uttered such as "goodbye” or "bye.”
  • patent document 2 a technique for controlling a terminal by use of voice commands during a call, and activating a speech recognition function for recognizing a voice command, only during a necessary time period.
  • CN 105 072 280 A discloses a processing method and a processing system for a mobile terminal to automatically hang up.
  • the processing method of the invention comprises the steps as follows: detecting behavior of a user so as to judge whether user conversation is ended or not while the mobile terminal is in a conversation; controlling the mobile terminal to automatically hang up and performing a corresponding hint if the user is recognized to end the conversation and the mobile terminal does not hang up.
  • the processing method and the processing system of the invention could solve the problem that the call does not hang up timely because the two callers are waiting for the opposite side to hang up after ending the conversation in real life, and solve the awkward problem that the communication fee of the mobile terminal is increased because the call does not hang up timely or the two callers continuously hear other noises after the two callers end the conversation so as to be greatly convenient for the user to perform daily conversation.
  • TW 2014 08036 A discloses a method for automatically ending a call for a communication device.
  • the method comprises recording a keyword in the communication device; performing a speech interpretation mechanism to determine whether to receive a speech during a period when the communication device maintains a conversation with a caller A voice input corresponding to the key word; and if so, the communication device is automatically terminated.
  • the mobile terminal described in patent document 1 activates a speech recognition function at the start of a call, and continues to perform speech recognition during the call, as a result of which the mobile terminal consumes much electrical power.
  • a user needs to activate a speech recognition function by use of a button or a touch-screen to enable a voice command to be recognized.
  • enabling a voice command is somewhat inconvenient to the user.
  • the present invention provides a communication terminal device for performing communication for a call, comprising: a proximity detecting unit configured to detect that a head of a user has approached the communication terminal device; a voice input accepting unit configured to accept an input of a voice of the user; a recording unit configured to record voice data indicating a voice of the user input during a call, in memory, from a time the call starts until the call is terminated; a speech recognition unit configured to recognize an utterance by the user after a predetermined time point during the call, based on voice data stored in the memory, upon detecting that a proximity of the head to the communication terminal device has ceased to be detected; and a call termination control unit configured to terminate the call upon detecting that a predetermined keyword has been recognized, and while no proximity of the head to the communication terminal device is detected, wherein the predetermined time point is a time point a predetermined period of time prior to a time point at which a proximity of the head to the communication terminal device has ceased to be detected.
  • the communication terminal device may further comprise a measurement unit configured to measure an attitude of the communication terminal device, wherein the speech recognition unit is configured to recognize an utterance by the user upon detecting that an attitude of the communication terminal device has changed after detecting that a proximity of the head to the communication terminal device has ceased to be detected; and the call terminal control unit is configured to terminate the call upon detecting that an attitude of the communication terminal device has changed after no proximity of the head to the communication terminal device is detected.
  • the communication terminal device may further comprise an extraction unit configured to extract a word uttered by the user when terminating the call, and the call termination control unit is configured to use a word extracted when terminating one or more calls, as the keyword.
  • the present invention provides a program as in claim 4.
  • the present invention provides an information-processing method as in claim 5.
  • the present invention makes it possible to terminate a call in response to a natural action taken by a user to end the call, while curbing consumption of electrical power by a speech recognition function.
  • 10, 10A, 10B ⁇ communication terminal device, 11 ⁇ processor, 111 ⁇ proximity detecting unit, 112 ⁇ voice input accepting unit, 113 ⁇ recording unit, 114, 114A ⁇ speech recognition unit, 115, 115A ⁇ call termination control unit, 116 ⁇ measurement unit, 117 ⁇ extraction unit, 12 ⁇ memory, 13 ⁇ storage, 14 ⁇ communication device, 15 ⁇ input device, 151 ⁇ proximity sensor, 152 ⁇ microphone, 16 ⁇ output device, 161 ⁇ speaker, 162 ⁇ display area, 17 ⁇ bus
  • Fig. 1 is a front view of communication terminal device 10 according to a first embodiment of the present invention.
  • Communication terminal device 10 is a portable communication terminal device held by a user in his/her hand.
  • Communication terminal device 10 is a smartphone in the present embodiment.
  • Communication terminal device 10 performs communication to facilitate a call.
  • communication terminal device 10 includes a microphone 152 and a speaker 161 on the front of the device.
  • Microphone 152 is a voice input device for inputting a user's voice.
  • Microphone 152 is arranged such that it may be positioned near the mouth of a user making a call.
  • Speaker 161 is a voice output device for outputting voice.
  • Speaker 161 is arranged such that it may be positioned near the head (specifically, an ear) of a user making a call.
  • Communication terminal device 10 also includes display area 162 and proximity sensor 151 on the front of the device.
  • Display area 162 is a display area of a display in which an image (screen) is displayed.
  • Proximity sensor 151 is provided adjacent to speaker 161, and is a sensor for detecting proximity of an object.
  • the term "proximity” as used herein refers to both a contact state and a non-contact state.
  • Proximity sensor 151 is, for example, an infrared light sensor, a high frequency oscillation sensor using electromagnetic induction, or a magnetic sensor using a magnet. Any type of detecting method may be used.
  • Fig. 2 is a diagram showing an example of a hardware configuration of communication terminal device 10.
  • Communication terminal device 10 is physically configured as a computer device including processor 11, memory 12, storage 13, communication device 14, input device 15, output device 16, and bus 17.
  • Communication terminal device 10 may include one or more devices shown in the drawing, or some of the devices shown in the drawing may not be included.
  • Processor 11 controls a computer, for example, by running an operating system.
  • Processor 11 may include a central processing unit (CPU) that includes interfaces to peripheral devices, a control device, an arithmetic device, and a register.
  • CPU central processing unit
  • Processor 11 reads a program (program code), a software module, and data from storage 13 and/or communication device 14 to memory 12 so that it performs various processes based on the read data.
  • program program code
  • a program for causing a computer to perform at least part of the operations of the present embodiment is used.
  • the various processes may be performed by a single processor 11, or may be performed by two or more processors 11 simultaneously or sequentially.
  • Processor 11 may include one or more chips.
  • the program may be received via electronic communication media.
  • Memory 12 is a computer-readable recording medium, and, for example, includes at least one of a read only memory (ROM), an erasable programmable ROM (EEPROM), and a random access memory (RAM).
  • ROM read only memory
  • EEPROM erasable programmable ROM
  • RAM random access memory
  • Memory 12 may be referred to as a register, a cache, or a main memory.
  • Storage 13 is a computer-readable recording medium, and, for example, includes at least one of an optical disk such as a compact disc ROM (CD-ROM), a hard disk drive, a flexible disk, a magneto-optical disk (for example, a compact disk, a digital versatile disk, a Blu-ray (registered trademark) disk), a smart card, a flash memory (for example, a card, a stick, a key drive), a floppy (registered trademark) disk, and a magnetic strip.
  • Storage 13 may be referred to as an auxiliary storage device.
  • Communication device 14 is hardware (a transmitting and receiving device) for enabling communication between computers via a wireless network.
  • Communication device 14 may be referred to as a network device, a network controller, a network card, or a communication module.
  • Communication device 14 performs communication to facilitate a call.
  • Input device 15 is a device for accepting input from an external source, such as a keyboard, a mouse, microphone 152, a switch, buttons, and sensors including proximity sensor 151.
  • Output device 16 is a device for performing output to an external device, such as a display, speaker 161, and an LED lamp.
  • Bus 17 may include a single bus, or may include plural buses for connecting devices.
  • Communication terminal device 10 may include hardware such as a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), and a field programmable gate array (FPGA).
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • PLD programmable logic device
  • FPGA field programmable gate array
  • the hardware may function as part or all of functional blocks.
  • processor 11 may include at least one of the items of hardware.
  • Functions of communication terminal device 10 are provided by causing hardware such as processor 11 and memory 12 to read software (a program(s)) so that processor 11 is able to control communication performed by communication device 14 and reading and/or writing performed in memory 12 and storage 13.
  • Fig. 3 is a block diagram showing an example of a functional configuration of processor 11 of communication terminal device 10.
  • Processor 11 includes proximity detecting unit 111, voice input accepting unit 112, recording unit 113, speech recognition unit 114, and call termination control unit 115.
  • Proximity detecting unit 111 detects that a user's head has approached communication terminal device 10, based on a value output by proximity sensor 151. When a proximity of an object is detected by proximity detecting unit 111 during a call, the object is regarded as a user's head. The term “during a call” refers to a time period during which an established communication path is available for a call. Proximity detection unit 111 notifies speech recognition unit 114 and call termination control unit 115 of whether a user's head is close to communication terminal device 10.
  • Voice input accepting unit 112 accepts a user's voice input via microphone 152. Voice input accepting unit 112 converts an analog voice signal supplied from microphone 152 into digital voice data, which is, for example, waveform data indicating a speech waveform. Voice input accepting unit 112 supplies the voice data to recording unit 113.
  • Recording unit 113 records voice data indicating a user's voice input during a call, in memory 12. In other words, recording unit 113 records a user's voice. Voice data stored in memory 12 will be referred to as "voice data SD.”
  • speech recognition unit 114 recognizes a user's speech input after a predetermined time point during the call, based on voice data SD stored in memory 12.
  • predetermined time point refers to a time point a predetermined period of time prior to a time point when a proximity of a user's head has ceased to be detected.
  • a user's voice is converted into a character string (text code).
  • Call termination control unit 115 performs call termination control, which is a function to terminate a call, or more specifically, a function to disconnect a communication path used for a call.
  • Call termination control unit 115 performs call termination control when speech recognition unit 114 has recognized keyword KW stored in memory 12 during a time period in which a proximity of a user's head to communication terminal device 10 is not detected.
  • Keyword KW is, for example, a predetermined character string. Keyword KW may be decided at the design stage of communication terminal device 10 or may be designated by a user. Keyword KW is a word(s) uttered when terminating a call, such as "bye-bye" or "see you.”
  • Fig. 4 is a flowchart showing a process executed during a call by communication terminal device 10.
  • Figs. 5 and 6 are diagrams showing concrete examples of the process executed during a call by communication terminal device 10.
  • Recording unit 113 determines whether a call is in progress in communication terminal device 10 (step S1). When a communication path established by communication device 14 is available for a call, recording unit 113 determines "YES" at step S1. Subsequently, recording unit 113 records voice data generated by voice input accepting unit 112 based on an input from microphone 152, in memory 12 (step S2). In a case where user U starts a call using communication terminal device 10 at time t1, as shown in Fig. 5 , recording unit 113 starts recording voice data from the time the call starts.
  • proximity detecting unit 111 detects whether a user's head is close to communication terminal device 10, based on a value output by proximity sensor 151 (step S3).
  • communication terminal device 10 has been held to the right ear of user U since time t1 at which the call was started. In that situation, proximity detecting unit 111 detects that the head of user U is close to communication terminal device 10.
  • proximity detecting unit 111 determines whether the proximity of the user's head has ceased to be detected (step S4). At step S4, it is determined whether communication terminal device 10, which was close to the user's head, has moved away from the head. When "NO" is determined at step S4, communication terminal device 10 returns to step S1 while maintaining the call, because it is considered that communication terminal device 10 is close to the user's head, and the user is still talking.
  • Recording unit 113 continues step S2 of recording voice data during the call (for example, at time t2 shown in Fig. 5 ). However, it is not necessary to keep all items of voice data recorded during the call, in memory 12. It is only necessary to keep in memory 12 at least voice data indicating a voice input after a time point a predetermined period of time prior to a present time point. In other words, voice data generated before the prior time point may be deleted.
  • the "predetermined period of time" ranges from 3 to 10 seconds, for example.
  • proximity detecting unit 111 detects no proximity of the user's head to communication terminal device 10, whereby proximity detecting unit 111 determines that the proximity of the user's head has ceased to be detected (step S4; YES).
  • speech recognition unit 114 recognizes a user's speech based on voice data SD stored in memory 12 (step S5).
  • a user's speech is recognized, which had been input after a time point a predetermined period of time prior to a time point at which the proximity of the user's head has ceased to be detected.
  • a user's speech is recognized, which had been input during time period T starting from time t23 preceding time t4 by a predetermined time and ending at time t4.
  • Speech recognition unit 114 recognizes a user's speech when the proximity of the user's head to communication terminal device 10 has ceased to be detected.
  • voice data recorded before time t23 may be deleted.
  • voice data recorded before time t23 may be deleted.
  • call termination control unit 115 determines whether speech recognition unit 114 has recognized keyword KW (step S6). Specifically, call termination control unit 115 determines whether user U has uttered keyword KW during time period T starting from time t23 and ending at time t4.
  • step S6 communication terminal device 10 returns to step S1 while maintaining the call.
  • call termination control unit 115 determines "YES” at step S6.
  • proximity detecting unit 111 detects whether the user's head is close to communication terminal device 10, based on a value output by proximity sensor 151 (step S7). Subsequently, proximity detecting unit 111 detects whether the user's head remains close to communication terminal device 10 (step S8). Steps S7 and S8 are performed to determine whether communication terminal device 10 remains away from the user's head after the user utters a keyword KW to terminate the call.
  • call termination control unit 115 performs call termination control (step S9).
  • call termination control unit 115 performs call termination control.
  • recording unit 113 stops recording voice data.
  • step S8 when "NO" is determined at step S8, namely, when a proximity of the user's head has been detected again, communication terminal device 10 returns to step S1 while maintaining the call.
  • user U has uttered keyword KW "bye-bye" at time t3, and moved communication terminal device 10 from the ear, the user may recall something to talk and resume the conversation.
  • user U puts communication terminal device 10 to the ear again at time t6. So as not to perform call termination control in such a case, communication terminal device 10 maintains the call when "NO" is determined at step S8.
  • communication terminal device 10 described in the foregoing, speech recognition is not performed continuously during a call. Instead, voice data on a user's voice input during a call is recorded in memory 12, and speech is recognized based on voice data SD stored in memory 12 when a proximity of a user's head has ceased to be detected. Accordingly, a smaller amount of electrical power is consumed in communication terminal device 10 than in a case where speech recognition is performed continuously during a call. Communication terminal device 10 also performs call termination control only when recognizing keyword KW uttered by a user, and detecting no proximity of a user's head. Accordingly, a possibility of terminating a call contrary to a user's intention is low.
  • Communication terminal device 10A determines whether to perform call termination control, based on a change in attitude of the device measured when a user is about to terminate a call.
  • components shared with the first embodiment are denoted by like reference numerals.
  • Fig. 7 is a block diagram showing an example of a functional configuration of processor 11 of communication terminal device 10A.
  • Processor 11 includes proximity detecting unit 111, voice input accepting unit 112, recording unit 113, speech recognition unit 114A, call termination control unit 115A, and measurement unit 116.
  • Input device 15 includes attitude sensor 153 that is a sensor for measuring an attitude of communication terminal device 10A.
  • Attitude sensor 153 is, for example, a triaxial acceleration sensor, an angular velocity sensor, or any other sensor capable of measuring a physical quantity that changes according to a change in attitude (for example, rotation) of communication terminal device 10A.
  • Measurement unit 116 measures an attitude of communication terminal device 10A based on a value measured by attitude sensor 153.
  • proximity detecting unit 111 notifies speech recognition unit 114A, call termination control unit 115A, and measurement unit 116 of whether a user's head is close to communication terminal device 10A.
  • measurement unit 116 determines whether an attitude of communication terminal device 10 has changed.
  • Call termination control unit 115A performs call termination control when the same condition as that of the first embodiment has been met, and an attitude of communication terminal device 10A has changed after no proximity of a user's head is detected by proximity detecting unit 111.
  • Fig. 8 is a flowchart showing a process executed during a call by communication terminal device 10A.
  • Fig. 9 is a diagram showing a concrete example of the process executed during a call by communication terminal device 10A.
  • recording unit 113 records voice data generated by voice input accepting unit 112 based on an input from microphone 152, in memory 12 (steps S1 and S2).
  • measurement unit 116 measures an attitude of communication terminal device 10A based on a value measured by attitude sensor 153 (step S11).
  • proximity detecting unit 111 detects whether a user's head is close to communication terminal device 10A, based on a value output by proximity sensor 151 (step S3).
  • proximity detecting unit 111 determines whether the proximity of the user's head has ceased to be detected (step S4).
  • step S4 communication terminal device 10A returns to step S1 while maintaining the call, as in the case of the first embodiment.
  • step S4 a step different from that of the first embodiment is performed. Specifically, when proximity detecting unit 111 has determined that the proximity of the user's head has ceased to be detected, measurement unit 116 determines whether an attitude of communication terminal device 10A has changed (step S12). When "NO" is determined at step S12, communication terminal device 10A returns to step S1 while maintaining the call.
  • step S12 speech recognition unit 114A recognizes a user's speech based on voice data SD stored in memory 12 (step S5). Subsequently, when call termination control unit 115 has determined that speech recognition unit 114 had recognized keyword KW (step S6; YES), and that proximity detecting unit 111 continued to detect no proximity of the user's head (step S7 and step S8; YES), call termination control unit 115 performs call termination control (step S9).
  • an attitude of the device changes.
  • an attitude measured when the user utters keyword KW and an attitude measured after the user has moved communication terminal device 10A away from the ear are different.
  • communication terminal device 10A in which call termination control is triggered by a change in attitude a possibility of terminating a call at a wrong timing is lowered.
  • recognition of a user's speech is not started when no change in attitude of communication terminal device 10A is detected after a proximity of a user's head ceases to be detected. Since unnecessary recognition of a user's speech is avoided, electrical power is saved.
  • the present invention may be implemented in an embodiment different from the above embodiments. Two or more of the following modifications may be combined.
  • a communication terminal device may include a function of learning keywords.
  • Communication terminal device 10B registers a word uttered by a user when terminating a call, in memory 12 as a keyword.
  • keyword KW described in the first embodiment will be referred to as "keyword KW1,” and a keyword registered by learning will be referred to as "keyword KW2.”
  • Fig. 10 is a block diagram showing an example of a functional configuration of processor 11 of communication terminal device 10B according to the present modification.
  • Processor 11 includes proximity detecting unit 111, voice input accepting unit 112, recording unit 113, speech recognition unit 114, call termination control unit 115B, and extraction unit 117.
  • Extracting unit 117 extracts a word that a user has uttered when terminating a call. For example, extraction unit 117 extracts a word that a user has uttered immediately before terminating a call. Extraction unit 117 registers a word extracted when terminating one or more calls, as keyword KW2. Call termination control unit 115B performs call termination control when keyword KW1 or KW2 is recognized.
  • Fig. 11 is a flowchart showing a process executed during a call by communication terminal device 10B.
  • Extraction unit 117 extracts a word that a user has uttered when terminating a call (step S21). For example, extracting unit 117 extracts a word last recognized by speech recognition unit 114 for each call. Extraction unit 117 records an extracted word in memory 12. Subsequently, extraction unit 117 registers a word extracted when terminating a number of calls, the number being equal to or greater than a threshold value, in memory 12 as keyword KW2 (step S22). This is because a word that a user utters when terminating a call is likely to be used repeatedly.
  • registered keyword KW2 is a word extracted when terminating plural calls; however, a word extracted when terminating a single call may be registered as keyword KW2.
  • Call termination control unit 115B performs call termination control based on keyword KW2.
  • Call termination control unit 115B may perform call termination control based on keyword KW1 before learning keyword KW2 is completed, and after keyword KW2 is registered, it may perform call termination control based on keywords KW1 and KW2 or on keyword KW2 only.
  • a call it is possible to enable a call to be terminated in response to a user's natural action taken to terminate the call, in a case where a word uttered by the user when terminating the call is a user-specific word.
  • Communication terminal device 10, 10A, or 10B is not limited to a smartphone, and may be a communication terminal device capable of performing communication to facilitate a call, such as a feature phone.
  • a communication terminal device according to the present invention may be a communication terminal device capable of generating a bone conduction sound indicating a received voice in a user's body, namely, a communication terminal device including a speaker capable of outputting a bone conduction sound.
  • the communication terminal device enables a user to talk when the device is in contact with a part of the user's head other than an ear.
  • a communication terminal device may not be a communication terminal device that is held in a user's hand during a call.
  • a communication terminal device according to the present invention may a type of wearable terminal that can be mounted on a user's head, such as a headphone type or an earphone type.
  • Input or output information may be stored in a location such as memory, or may be managed in a management table. Input or output information may be overwritten, updated, or additionally written. Output information may be deleted. Input information may be sent to another device.
  • a determination may be made based on a 1-bit value indicating "0” or “1,” or a truth (Boolean) value indicating "true” or “false,” or by comparing a value to a predetermined value.
  • Embodiments described in the present specification may be used separately or in combination with minor changes.
  • a notification of information (for example, a notification of "being X") may be made explicitly or implicitly.
  • Software should be interpreted broadly to include instructions, instruction sets, codes, code segments, program codes, a program, a subprogram, software modules, an application, a software application, a software package, a routine, a subroutine, an object, an executable file, an execution thread, a procedure, and a function, regardless of whether it is called software, firmware, middleware, microcode, hardware description language, or any other name.
  • Software and instructions may be sent and received via a transmission medium.
  • software may be sent from a website, a server, or another remote source, using a wired medium such as a coaxial cable, a fiber optic cable, a twisted pair, or a digital subscriber line (DSL), and/or a wireless medium such as infrared, wireless, or microwave.
  • a wired medium such as a coaxial cable, a fiber optic cable, a twisted pair, or a digital subscriber line (DSL)
  • DSL digital subscriber line
  • wireless medium such as infrared, wireless, or microwave.
  • the wired medium and the wireless medium are included within the definition of a transmission medium.
  • system and "network” used in the present specification are used interchangeably.
  • Information and parameters described in the present specification may be represented by an absolute value, a value relative to a predetermined value, or other corresponding information.
  • determining used in the present specification may refer to various actions.
  • the term “determining” may refer to judging, calculating, computing, processing, deriving, investigating, looking up (for example, looking up in a table, database, or data structure), and ascertaining.
  • the term “determining” may also refer to receiving (for example, receiving information), transmitting (for example, transmitting information), inputting, outputting, and accessing (for example, accessing data in memory).
  • the term “determining” may also refer to resolving, selecting, choosing, establishing, and comparing.
  • the block diagrams used to describe the above embodiments show blocks of functional units.
  • the functional blocks may be provided using any combination of items of hardware and/or software. Means for providing the functional blocks are not limited.
  • the functional blocks may be provided using a single device including physically and/or logically combined components, or two or more physically and/or logically separated devices that are directly and/or indirectly connected by wire and/or wirelessly.

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  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Telephonic Communication Services (AREA)

Claims (5)

  1. Dispositif terminal de communication (10) pour effectuer une communication pour un appel, comprenant :
    une unité de détection de proximité (111) configurée pour détecter qu'une tête d'un utilisateur s'est approchée du dispositif terminal de communication (10) ;
    une unité d'acceptation d'entrée vocale (112) configurée pour accepter une entrée d'une voix de l'utilisateur ;
    une unité d'enregistrement (113) configurée pour enregistrer des données vocales indiquant une voix de l'entrée d'utilisateur durant un appel, dans une mémoire (12), d'un temps auquel l'appel commence jusqu'à ce que l'appel soit terminé ;
    une unité de reconnaissance de la parole (114) configurée pour reconnaître un énoncé par l'utilisateur après un point temporel prédéterminé durant l'appel, sur la base de données vocales stockées dans la mémoire (12), lors de la détection qu'une proximité de la tête avec le dispositif terminal de communication (10) a cessé d'être détectée ; et
    une unité de commande de terminaison d'appel (115) configurée pour terminer l'appel lors de la détection qu'un mot clé prédéterminé a été reconnu, et alors qu'aucune proximité de la tête avec le dispositif terminal de communication (10) n'est détectée,
    dans lequel le point temporel prédéterminé est un point temporel d'une période de temps prédéterminée avant un point temporel auquel une proximité de la tête avec le dispositif terminal de communication (10) a cessé d'être détectée.
  2. Dispositif terminal de communication (10) selon la revendication 1, comprenant en outre une unité de mesure (116) configurée pour mesurer une disposition du dispositif terminal de communication (10), et dans lequel :
    l'unité de reconnaissance de la parole (114) est configurée pour reconnaître un énoncé par l'utilisateur lors de la détection qu'une disposition du dispositif terminal de communication (10) a changé après la détection qu'une proximité de la tête avec le dispositif terminal de communication (10) a cessé d'être détectée ; et
    l'unité de commande de terminaison d'appel (115) est configurée pour terminer l'appel lors de la détection qu'une disposition du dispositif terminal de communication (10) a changé après la détection qu'aucune proximité de la tête avec le dispositif terminal de communication (10) n'est détectée.
  3. Dispositif terminal de communication (10) selon la revendication 1 ou 2, comprenant en outre une unité d'extraction (117) configurée pour extraire un mot prononcé par l'utilisateur lors de la terminaison de l'appel, dans lequel l'unité de commande de terminaison d'appel (115) est configurée pour utiliser un mot extrait lors de la terminaison d'un ou plusieurs appels, comme le mot clé.
  4. Programme comprenant des instructions qui, quand le programme est exécuté par un ordinateur (11) d'un dispositif terminal de communication (10) pour effectuer une communication pour faciliter un appel, amènent l'ordinateur (11) à :
    détecter qu'une tête d'un utilisateur s'est approchée du dispositif terminal de communication (10) ;
    accepter une entrée d'une voix de l'utilisateur ;
    enregistrer des données vocales indiquant une voix de l'entrée d'utilisateur durant un appel, dans une mémoire (12), d'un temps auquel l'appel commence jusqu'à ce que l'appel soit terminé ;
    reconnaître un énoncé par l'utilisateur après un point temporel prédéterminé durant l'appel, sur la base de données vocales stockées dans la mémoire (12), lors de la détection qu'une proximité de la tête avec le dispositif terminal de communication (10) a cessé d'être détectée ; et
    terminer l'appel lors de la détection qu'un mot clé prédéterminé a été reconnu, et alors qu'aucune proximité de la tête avec le dispositif terminal de communication (10) n'est détectée,
    dans lequel le point temporel prédéterminé est un point temporel d'une période de temps prédéterminée avant un point temporel auquel une proximité de la tête avec le dispositif terminal de communication (10) a cessé d'être détectée.
  5. Procédé de traitement d'informations comprenant :
    la détection qu'une tête d'un utilisateur s'est approchée du dispositif terminal de communication (10) ;
    l'acceptation d'une entrée d'une voix de l'utilisateur ;
    l'enregistrement de données vocales indiquant une voix de l'entrée d'utilisateur durant un appel, dans une mémoire (12), d'un temps auquel l'appel commence jusqu'à ce que l'appel soit terminé ;
    la reconnaissance d'un énoncé par l'utilisateur après un point temporel prédéterminé durant l'appel, sur la base de données vocales stockées dans la mémoire (12), lors de la détection qu'une proximité de la tête avec le dispositif terminal de communication (10) a cessé d'être détectée ; et
    la terminaison de l'appel lors de la détection qu'un mot clé prédéterminé a été reconnu, et alors qu'aucune proximité de la tête avec le dispositif terminal de communication (10) n'est détectée,
    dans lequel le point temporel prédéterminé est un point temporel d'une période de temps prédéterminée avant un point temporel auquel une proximité de la tête avec le dispositif terminal de communication (10) a cessé d'être détectée.
EP17865957.9A 2016-10-27 2017-10-18 Dispositif de terminal de communication, programme, et procédé de traitement d'informations Active EP3490232B1 (fr)

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JP2016210944 2016-10-27
PCT/JP2017/037702 WO2018079379A1 (fr) 2016-10-27 2017-10-18 Dispositif de terminal de communication, programme, et procédé de traitement d'informations

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US11462218B1 (en) 2020-04-29 2022-10-04 Amazon Technologies, Inc. Conserving battery while detecting for human voice

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CN109792464B (zh) 2020-11-20
CN109792464A (zh) 2019-05-21
WO2018079379A1 (fr) 2018-05-03
US11128749B2 (en) 2021-09-21
JPWO2018079379A1 (ja) 2019-07-25
EP3490232A1 (fr) 2019-05-29
EP3490232A4 (fr) 2019-07-03
US20210075902A1 (en) 2021-03-11
JP6613382B2 (ja) 2019-11-27

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